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1) Write a query to rank order the following table in MySQL by votes, display the rank as one of the columns. CREATE TABLE votes ( name CHAR(10), votes INT ); INSERT INTO votes VALUES ('Smith',10), ('Jones',15), ('White',20), ('Black',40), ('Green',50), ('Brown',20);
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Senior Java Engineer

Interviewed at Wallet Hub

4.2★
Jan 27, 2017

1) Write a query to rank order the following table in MySQL by votes, display the rank as one of the columns. CREATE TABLE votes ( name CHAR(10), votes INT ); INSERT INTO votes VALUES ('Smith',10), ('Jones',15), ('White',20), ('Black',40), ('Green',50), ('Brown',20);

I have a table for bugs from a bug tracking software; let’s call the table “bugs”. The table has four columns (id, open_date, close_date, severity). On any given day a bug is open if the open_date is on or before that day and close_date is after that day. For example, a bug is open on “2012-01-01”, if it’s created on or before “2012-01-01” and closed on or after “2012-01-02”. I want an SQL to show the number of bugs open each day for a range of dates. Hint: There are bugs that were never closed.
avatar

Senior Java Engineer

Interviewed at Wallet Hub

4.2★
Jan 27, 2017

I have a table for bugs from a bug tracking software; let’s call the table “bugs”. The table has four columns (id, open_date, close_date, severity). On any given day a bug is open if the open_date is on or before that day and close_date is after that day. For example, a bug is open on “2012-01-01”, if it’s created on or before “2012-01-01” and closed on or after “2012-01-02”. I want an SQL to show the number of bugs open each day for a range of dates. Hint: There are bugs that were never closed.

Elevator Algorithm in which there are many floors and many lifts used to work. give a very optimal solution for so that waiting time will be less as much as possible. which design pattern will be used in this case. Other questions are related to profile.
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Senior Java Developer

Interviewed at PayPal

3.6★
Aug 3, 2016

Elevator Algorithm in which there are many floors and many lifts used to work. give a very optimal solution for so that waiting time will be less as much as possible. which design pattern will be used in this case. Other questions are related to profile.

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